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Topics - Graham Stabler

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General Mach Discussion / Spindle delay for laser
« on: December 16, 2015, 03:11:57 PM »

I'm playing with exposing photoresist with a laser on an xy table, I'm using the spindle relay output to turn the laser on/off and noticed a short delay after the M3 command. I've reduced the spin up/down delays to zero and there is still a delay.

From reading other threads is seems there is a work around using M10P/M110P commands but as this will require yet more post processor tweaking I thought I would ask if there is any particular reason why M3 must have a delay? One person suggested it made sense because it often has one set anyway but that doesn't compute to me.

I'm using a CSMIO controller if that makes any difference.



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